Awesome job! Looks great. Are you going to have it dyno'd? Did you sell the ZZ4?

I've been thinking about a 5.3 or even 6.0 LS for my '91 Suburban but I'm probably going to just build one of the TBI 350s I have into a vortec 383. I'm always up for a challenge but maybe not THAT much of a challenge

Dave, I will have it on the dyno this spring. We ran out of time this past fall to get the final tuning done. I did sell the old crate engine. Got $1700 for it. It now lives in a '68 Biscayne wagon. Doing a LS swap into a "Square body" GM truck is much simpler. I would do it if I were you.

Mark, we set the rev limiter to 6500 rpm's. It's amazing how quick it revs. This actually created a problem with shifting the Tremec TKO 5 spd. TKO500's don't like high rpm's. Knowing what I know now, I would have used a T56 or Tremec 6060 6 speed instead. I had to yank the TKO out and have carbon fiber syncro's and brass shift fork pads installed to help with the high rpm shifts.

TKO's are a hodgepodge of truck and car parts I guess. Joel would know more about these than me.

Cindy, now's the time to do it with the body off. It is a big undertaking but not impossible. Time, patience and research is the key. It will cost you around $6k to do. The other alternative to modernizing your car is to go with a throttle body injection unit from FAST, Edelbrock, MSD, or one of the other companies. These bolt right in place of the carburetor and most have a self learning computer so they tune themselves. It about half the cost. Right around $3k to do. Much more reliable and responsive than a carb.

Hi! Can you share some information on your LS Swap? I am curious as to what fittings are needed to link the fuel system pressure and return lines to the LS engine fuel system. I would also like to know if you used the existing fuel pump relay for the in tank fuel pump. I know I'll need to replace the cfi pump to a larger, high pressure pump. also, which headers/exhaust manifolds are you using? any info would be greatly appreciated!

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